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1991 BUICK ROADMASTER VSS REPLACED TODAY ALL FUSE'S LOOK FINE SPEEDO AND TACH STILL NOT WORKING WHY??

1 Answer

montehammons

Buick Master 5,531 Answers
Posted on Sep 26, 2019

montehammons

Buick Master

Joined: Sep 14, 2011

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Some people can take the cluster out and find bad solder joints or burnt out resistors placed on the back of the cluster circuit board. Without even knowing what they are looking at, easy enough to see if any resistors are burned or solder joints came loose. Resolder or replace the resistors. Lots of youtube videos on this common problem. Search instrument cluster not functioning or speedo not working-etc. Also,buickforums.com is a great resource with a section for the Roadmaster.

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5 Related Answers

Anonymous

Posted on Jun 08, 2008

SOURCE: P0500 VSS code

usally a resister in the cluster overheated no good get new cluster or repair old solder in new bigger parts tricky

milespeed

599 Answers
Posted on Nov 07, 2008

SOURCE: 1995 VW GTI VR6 tach and speedo

this could be a ground wire issue ...look carefully for loose or corroded wire to frame under dash black usually near harness under instrument cluster

Anonymous

11896 Answers
Posted on Mar 31, 2009

SOURCE: Dashboard Lights

there is light bulbs behind the instument cluster. You will have to remove the screws, than pry off your panel and change the bulb.

Anonymous

1066 Answers
Posted on Apr 01, 2009

SOURCE: location fuse boxes 1991 buick roadmaster estate wagon

one under the hood another drivers side kick panel. Also check the relays

Anonymous

1 Answer
Posted on Jan 29, 2010

SOURCE: 99 firebird tach, speedo, odometer, and hazards stopped working

How do i replace my cluster in my 98 firebird?

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99 GMC Yukon Lost Tach, Speedo, Cruise, Odometer and slow to engage when starting to move

this happened to me is your gear indicater light also out if so look at ignition switch

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My blinkers stopped working. At first I had to manually "blink" them, today they wont turn on. The hazards work fine. Its a 1992 roadmaster estate wagon.

Your fuse is blown or the flasher relay is defective or both. Check the fuse first and replace as nexessary. Note that this vehicle has 2 flasher relays, one for the turn signals and one for the hazard lights. The turn signal flasher relay is located on the driver's side, under the dash above the kick panel, mounted in the top of the fuse panel. The hazard relay is located same place on the bottom of the fuse panel so do not get them mixed up.

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Speedo wont go past 55 truck runs fine

Hi
The transmission and speedo COULD be the VSS (Vehicle Speed Sensor) and or related wires. The Tach is a seperate circuit that gets signal from Distributor and power is fed through the "Gauges" fuse. The only way I see them being a related concern is either The ground (G200) and is located Behind the left side of the IP, below the fuse block, on the tie bar. the other way would be the IP cluster itself.
I think you MAY have 2 issues. I would get the VSS checked and make sure your getting a signal to the VSS buffer (located next to the PCM, around the glove box area). Make sure the buffer is sending the signal out. A Scan tool SHOULD be able to assist you in this. If there is NO VSS signal the transmission will not shift properly, if at all.
Also your speedo will drop off with no VSS.
As stated, this is just advise from experience and published material.
If in doubt, please take it to a Repair shop in your area your familiar with. regards ranjit

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Oct 14, 2009 • 1999 GMC Sierra 3500

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